Title :
Comparison of precision AC and DC measurements with the quantized Hall resistance
Author :
Melcher, Jiirgen ; Warnecke, Peter ; Hanke, Riidiger
Author_Institution :
Phys.-Tech. Bundesanstalt, Braunschweig, Germany
fDate :
4/1/1993 12:00:00 AM
Abstract :
The quantized Hall resistance RH(2) is compared with various 100-kΩ AC resistance standards. The measurements were performed with an 8:1 four terminal-pair divider bridge at a frequency of 1592 Hz. The 100-kΩ resistances were previously calibrated using the PTB ohm chain starting at the DC side with the same quantum Hall resistance. The mean AC value of the quantized Hall resistance was 12906.4017 Ω with a relative standard deviation of 0.14×10-6 after ten measurements. The total uncertainty, which is mainly determined by the AC bridge, was about 3×10-6
Keywords :
bridge instruments; electric resistance measurement; measurement standards; quantum Hall effect; 100 kohm; 1592 Hz; AC bridge; AC resistance standards; DC measurements; PTB ohm chain; four terminal-pair divider bridge; quantized Hall resistance; Bridge circuits; Bridges; Electrical resistance measurement; Frequency conversion; Frequency measurement; Hall effect; Measurement standards; Performance evaluation; Resistors; Temperature measurement;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on
